As discussed, here are some of the laptops I would recommend for your purposes.

ASUS X5DIJ

Note: this laptop is on special offer and has received rave reviews from purchasers. Apparently it is very quiet and stays

cool

cool for hours on end. Many also noted image quality. A few people said that the sound quality is not all that it could be, and one person one person (out of 50) said his keyboard lost a key within 6 months (but it is notoriously difficult to judge such problems unless there's a large number of complaints).